Sebastian Onsum Kolsrud

Men / born 2014

starts

143

top FINA

personal best events

PP Over The Years

2025: 6.2 / 2026: 6.4

50m Backstroke Progress

2 swims recordedAll disciplines

Date	Meet	Start	Result	FINA	PP	PB +/-
08 Feb 2025	Vikingsvøm 2025	51,44	51,03	81	1.06	-0.8 Rankings
24 May 2025	Tønsberg Sommerstevne	51,03	49,25	90	2.19	-3.5 Rankings

Best Improvements

50m Butterfly: -17.7% at SaS Open

50m Breaststroke: -8.8% at Vikingsvøm 2026

400m Freestyle: -8.1% at Zeekit LÅMØ Sør 2026

50m Butterfly: -7.6% at Horten Open 2025

100m Butterfly: -7.3% at Zeekit LÅMØ Sør 2026

PBs

100m Breaststroke: 2.04,96

100m Butterfly: 2.03,38

100m Freestyle: 1.35,60

200m Backstroke: 3.49,82

200m Breaststroke: 4.25,84

200m Freestyle: 3.19,62

200m Medley: 3.56,08

400m Freestyle: 6.45,03

50m Backstroke: 49,25

50m Breaststroke: 55,03

50m Butterfly: 47,98

50m Freestyle: 38,05

Top 3 FINA

143 / 50m Freestyle / 38,05

143 / 400m Freestyle / 6.45,03

124 / 50m Freestyle / 39,82

Races By Meet

Start time, result time, FINA and PP for every swim.Newest Oldest

SaS Open25 Apr 2026 / Sandefjord

Discipline	Start	Result	FINA	PP	PB +/-
50m Breaststroke National rankings	55,26	55,03	93	1.28	-0.4
50m Butterfly National rankings	58,33	47,98	87	3.76	-17.7
50m Freestyle National rankings	39,82	38,05	143	6.28	-4.4

Zeekit LÅMØ Sør 202610 Apr 2026 / Horten

Discipline	Start	Result	FINA	PP	PB +/-
100m Butterfly National rankings	2.13,08	2.03,38	57	1.31	-7.3
200m Backstroke National rankings	3.49,82	DISK	0	0	n/a
200m Breaststroke National rankings	4.25,84	DISK	0	0	n/a
200m Medley National rankings	3.56,08	DISK	0	0	n/a
400m Freestyle National rankings	7.20,58	6.45,03	143	8.65	-8.1

Vikingsvøm 202607 Feb 2026 / Horten

Discipline	Start	Result	FINA	PP	PB +/-
100m Breaststroke National rankings	2.10,88	2.04,96	86	2.3	-4.5
100m Butterfly National rankings		2.13,08	46	25	n/a
200m Medley National rankings		3.56,08	98	25	n/a
50m Breaststroke National rankings	1.00,59	55,26	92	3.7	-8.8

Fjordsvøm22 Nov 2025 / Sandefjord

Discipline	Start	Result	FINA	PP	PB +/-
200m Freestyle National rankings	3.34,31	3.19,62	120	5.66	-6.9
200m Medley National rankings		DISK	0	0	n/a
50m Butterfly National rankings	58,33	1.00,92	42	0.02	4.4
50m Freestyle National rankings	39,94	39,82	124	2.22	-0.3

Slottsfjell Open01 Nov 2025 / Tønsberg

Discipline	Start	Result	FINA	PP	PB +/-
100m Freestyle National rankings	1.36,58	1.35,60	103	1.8	-1
100m Medley National rankings		DISK	0	0	n/a
200m Breaststroke National rankings		4.25,84	92	25	n/a
400m Freestyle National rankings		7.20,58	111	25	n/a
50m Freestyle National rankings	41,42	39,94	123	4.16	-3.6

Horten Open 202520 Sept 2025 / Horten

Discipline	Start	Result	FINA	PP	PB +/-
200m Backstroke National rankings		3.49,82	97	25	n/a
200m Freestyle National rankings		3.34,31	97	25	n/a
50m Butterfly National rankings	1.03,13	58,33	48	0.95	-7.6
50m Freestyle National rankings	42,62	41,42	110	2.92	-2.8

Tønsberg Sommerstevne24 May 2025 / Tønsberg

Discipline	Start	Result	FINA	PP	PB +/-
100m Breaststroke National rankings	2.19,99	2.17,86	64	0.77	-1.5
100m Freestyle National rankings	1.36,58	1.43,70	80	0.02	7.4
50m Backstroke National rankings	51,03	49,25	90	2.19	-3.5
50m Breaststroke National rankings	1.01,27	1.01,22	67	0.62	-0.1
50m Butterfly National rankings		1.03,13	38	25	n/a
50m Freestyle National rankings	44,50	42,62	101	3.05	-4.2

Vikingsvøm 202508 Feb 2025 / Horten

Discipline	Start	Result	FINA	PP	PB +/-
100m Backstroke National rankings		DNS	0	0	n/a
100m Breaststroke National rankings	2.20,69	2.19,99	61	0.56	-0.5
100m Freestyle National rankings	1.45,72	1.44,38	79	1.13	-1.3
50m Backstroke National rankings	51,44	51,03	81	1.06	-0.8
50m Breaststroke National rankings	1.03,26	1.04,47	57	0.13	1.9
50m Freestyle National rankings	46,49	44,68	91	2.38	-3.9